diff options
Diffstat (limited to 'Demos/Host/GenericHIDHost/GenericHIDHost.c')
| -rw-r--r-- | Demos/Host/GenericHIDHost/GenericHIDHost.c | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/Demos/Host/GenericHIDHost/GenericHIDHost.c b/Demos/Host/GenericHIDHost/GenericHIDHost.c deleted file mode 100644 index e731f90cf..000000000 --- a/Demos/Host/GenericHIDHost/GenericHIDHost.c +++ /dev/null @@ -1,343 +0,0 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2009.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, and distribute this software
- and its documentation for any purpose and without fee is hereby
- granted, provided that the above copyright notice appear in all
- copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- *
- * Main source file for the GenericHIDHost demo. This file contains the main tasks of
- * the demo and is responsible for the initial application hardware configuration.
- */
-
-#include "GenericHIDHost.h"
-
-/* Scheduler Task List */
-TASK_LIST
-{
- { .Task = USB_USBTask , .TaskStatus = TASK_STOP },
- { .Task = USB_HID_Host , .TaskStatus = TASK_STOP },
-};
-
-
-/** Main program entry point. This routine configures the hardware required by the application, then
- * starts the scheduler to run the application tasks.
- */
-int main(void)
-{
- /* Disable watchdog if enabled by bootloader/fuses */
- MCUSR &= ~(1 << WDRF);
- wdt_disable();
-
- /* Disable clock division */
- clock_prescale_set(clock_div_1);
-
- /* Hardware Initialization */
- SerialStream_Init(9600, false);
- LEDs_Init();
-
- /* Indicate USB not ready */
- UpdateStatus(Status_USBNotReady);
-
- /* Initialize Scheduler so that it can be used */
- Scheduler_Init();
-
- /* Initialize USB Subsystem */
- USB_Init();
-
- /* Start-up message */
- puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY
- "Generic HID Host Demo running.\r\n" ESC_INVERSE_OFF));
-
- /* Scheduling - routine never returns, so put this last in the main function */
- Scheduler_Start();
-}
-
-/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
- * starts the library USB task to begin the enumeration and USB management process.
- */
-void EVENT_USB_DeviceAttached(void)
-{
- puts_P(PSTR("Device Attached.\r\n"));
- UpdateStatus(Status_USBEnumerating);
-
- /* Start USB management task to enumerate the device */
- Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);
-}
-
-/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
- * stops the library USB task management process.
- */
-void EVENT_USB_DeviceUnattached(void)
-{
- /* Stop HID and USB management task */
- Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);
- Scheduler_SetTaskMode(USB_HID_Host, TASK_STOP);
-
- puts_P(PSTR("Device Unattached.\r\n"));
- UpdateStatus(Status_USBNotReady);
-}
-
-/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
- * enumerated by the host and is now ready to be used by the application.
- */
-void EVENT_USB_DeviceEnumerationComplete(void)
-{
- /* Start HID Host task */
- Scheduler_SetTaskMode(USB_HID_Host, TASK_RUN);
-
- /* Indicate device enumeration complete */
- UpdateStatus(Status_USBReady);
-}
-
-/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
-void EVENT_USB_HostError(const uint8_t ErrorCode)
-{
- USB_ShutDown();
-
- puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n"));
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);
-
- UpdateStatus(Status_HardwareError);
- for(;;);
-}
-
-/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
- * enumerating an attached USB device.
- */
-void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
-{
- puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n"));
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);
- printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);
- printf_P(PSTR(" -- In State %d\r\n"), USB_HostState);
-
- UpdateStatus(Status_EnumerationError);
-}
-
-/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to
- * log to a serial port, or anything else that is suitable for status updates.
- *
- * \param CurrentStatus Current status of the system, from the GenericHIDHost_StatusCodes_t enum
- */
-void UpdateStatus(uint8_t CurrentStatus)
-{
- uint8_t LEDMask = LEDS_NO_LEDS;
-
- /* Set the LED mask to the appropriate LED mask based on the given status code */
- switch (CurrentStatus)
- {
- case Status_USBNotReady:
- LEDMask = (LEDS_LED1);
- break;
- case Status_USBEnumerating:
- LEDMask = (LEDS_LED1 | LEDS_LED2);
- break;
- case Status_USBReady:
- LEDMask = (LEDS_LED2);
- break;
- case Status_EnumerationError:
- case Status_HardwareError:
- LEDMask = (LEDS_LED1 | LEDS_LED3);
- break;
- }
-
- /* Set the board LEDs to the new LED mask */
- LEDs_SetAllLEDs(LEDMask);
-}
-
-/** Reads in and processes the next report from the attached device, displaying the report
- * contents on the board LEDs and via the serial port.
- */
-void ReadNextReport(void)
-{
- /* Select and unfreeze HID data IN pipe */
- Pipe_SelectPipe(HID_DATA_IN_PIPE);
- Pipe_Unfreeze();
-
- /* Check to see if a packet has been received */
- if (!(Pipe_IsINReceived()))
- {
- /* Refreeze HID data IN pipe */
- Pipe_Freeze();
-
- return;
- }
-
- /* Ensure pipe contains data before trying to read from it */
- if (Pipe_IsReadWriteAllowed())
- {
- uint8_t ReportINData[Pipe_BytesInPipe()];
-
- /* Read in HID report data */
- Pipe_Read_Stream_LE(&ReportINData, sizeof(ReportINData));
-
- /* Print report data through the serial port */
- for (uint16_t CurrByte = 0; CurrByte < sizeof(ReportINData); CurrByte++)
- printf_P(PSTR("0x%02X "), ReportINData[CurrByte]);
-
- puts_P(PSTR("\r\n"));
- }
-
- /* Clear the IN endpoint, ready for next data packet */
- Pipe_ClearIN();
-
- /* Refreeze HID data IN pipe */
- Pipe_Freeze();
-}
-
-/** Writes a report to the attached device.
- *
- * \param ReportOUTData Buffer containing the report to send to the device
- * \param ReportIndex Index of the report in the device (zero if the device does not use multiple reports)
- * \param ReportType Type of report to send, either HID_REPORTTYPE_OUTPUT or HID_REPORTTYPE_FEATURE
- * \param ReportLength Length of the report to send
- */
-void WriteNextReport(uint8_t* ReportOUTData, uint8_t ReportIndex, uint8_t ReportType, uint16_t ReportLength)
-{
- /* Select and unfreeze HID data OUT pipe */
- Pipe_SelectPipe(HID_DATA_OUT_PIPE);
-
- /* Not all HID devices have an OUT endpoint (some require OUT reports to be sent over the
- * control endpoint instead) - check to see if the OUT endpoint has been initialized */
- if (Pipe_IsConfigured())
- {
- Pipe_Unfreeze();
-
- /* Ensure pipe is ready to be written to before continuing */
- if (!(Pipe_IsOUTReady()))
- {
- /* Refreeze the data OUT pipe */
- Pipe_Freeze();
-
- return;
- }
-
- /* If the report index is used, send it before the report data */
- if (ReportIndex)
- Pipe_Write_Byte(ReportIndex);
-
- /* Write out HID report data */
- Pipe_Write_Stream_LE(ReportOUTData, ReportLength);
-
- /* Clear the OUT endpoint, send last data packet */
- Pipe_ClearOUT();
-
- /* Refreeze the data OUT pipe */
- Pipe_Freeze();
- }
- else
- {
- /* Class specific request to send a HID report to the device */
- USB_ControlRequest = (USB_Request_Header_t)
- {
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
- .bRequest = REQ_SetReport,
- .wValue = ((ReportType << 8) | ReportIndex),
- .wIndex = 0,
- .wLength = ReportLength,
- };
-
- /* Select the control pipe for the request transfer */
- Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
- /* Send the request to the device */
- USB_Host_SendControlRequest(ReportOUTData);
- }
-}
-
-/** Task to set the configuration of the attached device after it has been enumerated, and to read and process
- * HID reports from the device and to send reports if desired.
- */
-TASK(USB_HID_Host)
-{
- uint8_t ErrorCode;
-
- /* Switch to determine what user-application handled host state the host state machine is in */
- switch (USB_HostState)
- {
- case HOST_STATE_Addressed:
- /* Standard request to set the device configuration to configuration 1 */
- USB_ControlRequest = (USB_Request_Header_t)
- {
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),
- .bRequest = REQ_SetConfiguration,
- .wValue = 1,
- .wIndex = 0,
- .wLength = 0,
- };
-
- /* Select the control pipe for the request transfer */
- Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
- /* Send the request, display error and wait for device detach if request fails */
- if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
- {
- puts_P(PSTR("Control Error (Set Configuration).\r\n"));
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
-
- /* Indicate error status */
- UpdateStatus(Status_EnumerationError);
-
- /* Wait until USB device disconnected */
- while (USB_IsConnected);
- break;
- }
-
- USB_HostState = HOST_STATE_Configured;
- break;
- case HOST_STATE_Configured:
- puts_P(PSTR("Getting Config Data.\r\n"));
-
- /* Get and process the configuration descriptor data */
- if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
- {
- if (ErrorCode == ControlError)
- puts_P(PSTR("Control Error (Get Configuration).\r\n"));
- else
- puts_P(PSTR("Invalid Device.\r\n"));
-
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
-
- /* Indicate error status */
- UpdateStatus(Status_EnumerationError);
-
- /* Wait until USB device disconnected */
- while (USB_IsConnected);
- break;
- }
-
- puts_P(PSTR("HID Device Enumerated.\r\n"));
-
- USB_HostState = HOST_STATE_Ready;
- break;
- case HOST_STATE_Ready:
- ReadNextReport();
-
- break;
- }
-}
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